Perhaps you should try some spelling variations:
yang july » yang judy, yang jun
dinh tuan » binh thuan, dinh tung, anh tuan
qian yan » qian jun, qian yi
yang jui » yang judy, yang xi
dang anh » duong anh
anh dinh » anh minh
tuan van » tran van, jan van, teun van
yang yi » yang xi

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan ((((yang yi) OR (yang di))) OR (((yang july) OR (yang jui)))) dang anh dinh tuan van ;~.
• Adding a wildcard symbol may retrieve word variants: qian yan ((((yang yi) or (yang di))) or (((yang july) or (yang jui)))) dang anh dinh tuan van ;*.